what two numbers multiply together to equal 16 and add together to equal 15?

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Best Answer:
Tricks for How to Multiply Large Numbers Together Mentally. There are tricks to multiply large numbers mentally that don't require a genius IQ or years of training . The book "Speed Mathematics" says that if you can multiply large numbers mentally faster than your colleagues can retrieve their calculators from their bags, they'll believe you have a superior intellect (even if you don't). After a young boy learned some multiplication tricks, says author Bill Handley, he was treated like a prodigy throughout ...read more

Possible Answer:
Example 4. .2 × 6.03. Solution. Ignore the decimal points. Simply multiply. 2 × 603 = 1206 . Now we must place the decimal point. Together, .2 and 6.03 have three decimal digits.   (Lesson 4, Problem 11....read more

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